Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Physics Fluids Surface tension

The excess pressure inside' one soap bubble is three times that inside a second bubble. The ratio of the volume of first bubble to that of the second :

1
1 ∶ 27 
2
27 ∶ 1
3
1 ∶ 9
4
9 ∶ 1
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